0000831641-23-000085.txt : 20231122 0000831641-23-000085.hdr.sgml : 20231122 20231122194723 ACCESSION NUMBER: 0000831641-23-000085 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231118 FILED AS OF DATE: 20231122 DATE AS OF CHANGE: 20231122 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Volpi Kirsten M CENTRAL INDEX KEY: 0001582882 FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 231434801 MAIL ADDRESS: STREET 1: TETRA TECH, INC. STREET 2: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECH INC CENTRAL INDEX KEY: 0000831641 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ENGINEERING SERVICES [8711] IRS NUMBER: 954148514 STATE OF INCORPORATION: DE FISCAL YEAR END: 1001 BUSINESS ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 BUSINESS PHONE: 6263514664 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 4/A 1 wk-form4a_1700700432.xml FORM 4/A X0508 4/A 2023-11-18 2023-11-21 0 0000831641 TETRA TECH INC TTEK 0001582882 Volpi Kirsten M 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 1 0 0 0 0 COMMON STOCK 14388 D On the Reporting Person's Form 4 filed 11/21/23, 200 shares were reported sold twice in error in Table I. Balance reported reflects an adjustment to the correct amount beneficially owned. /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi 2023-11-22